From square one, 8-year-old Everett McCauley is learning to think outside the box in order to solve one. A third-grader at Bamber Valley Elementary School, Everett is a “cuber” who can solve a 2-by-2 ...

If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Ever since the Rubik’s Cube was released, it’s taunted almost a half billion tinkerers who think they can crack its confounding mysteries, only to be stymied by its maddening secrets. Now, it’s time ...